Okey, everything is ready now, I just have to run the engine inverted and then it is ready for a testflight. I've put a thin balsa hatch in the front and also fueled proofed the hatch and front with epoxy. There is plenty of space for the radio installation and I choose to put the swith inside the canopy, since it is so easy to take on and off.
Total weight as shown below is about 18.5 oz (18.9oz with the cowl).
